There are more than one authors known as Richard Horne. Divide according to their separate selves; distinctive facts are helpful in establishing this.
Please note any additions or corrections below.
1) Richard Horne (1973- ), 20th/21st century author of "101 Things..." titled books.
2) Richard Hengist Horne (1802-1884), author best known for poem "Orion", wrote under several pseudonyms, including Mrs. Fairstar and variations on R.H. Horne.